3Layer 3 lasagna noodles, broken into pieces to fit, over sauce in slow cooker. Top with one-third of the Alfredo sauce (about 1/2 cup), spreading to cover noodles completely. Top with 5 of the cheese slices, overlapping if necessary. Top with one-third of the vegetable mixture (about 2 cups), spreading evenly. Repeat layers twice. Sprinkle Parmesan cheese over top.

4Cover; cook on Low heat setting 5 to 6 hours.

Expert Tips

Frozen spinach can be quickly thawed using the microwave. Place frozen blocks of spinach in a 10-inch square microwavable dish. Microwave uncovered on High 3 minutes. Break up blocks; microwave 3 more minutes until completely thawed. Drain well, squeezing out as much liquid as possible.